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CompletedNCT02944032COGTRAINUpdated Mar 3, 2022

Efficacy of Computerized Cognitive Training and Stimulant Medication in Neurofibromatosis Type 1

An interventional study of CogmedRM and Mobymax in Neurofibromatosis Type 1, sponsored by Kristina Hardy. Completed at 1 site in United States. Open to participants aged 8 Years to 16 Years. Per ClinicalTrials.gov, last updated 2022-03-03.

Sponsored by Kristina Hardy · Not applicable, Interventional, and Treatment

Phase
Not applicable
Study type
Interventional
Enrollment
103
Allocation
Randomized
Ages
8 Years to 16 Years
Sex
All
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Study summary

The main objective of the study is to assess the efficacy of a home-based, computerized cognitive training (CT) program, called CogmedRM, targeted to improve working memory in children with NF1 and working memory difficulties. This is a Phase II randomized parallel group controlled clinical trial comparing two interventions on cognitive outcomes. Participants will be stratified by stimulant medication use and randomized equally between the two interventions within stratum. Participants will be in the study for to 11 weeks.

Read the detailed description

Cognitive deficits are the most important cause of long-term dysfunction in patients with Neurofibromatosis type 1 (NF1). Among the most frequently-occurring difficulties are problems with attention, working memory (WM), and executive functioning (EF). Remediation and interventions to improve those deficits have the potential to impact the quality of life and long-term prognosis in this population. Cognitive training (CT) programs have increasingly been used independently or in conjunction with pharmacotherapies in children with accidental or disease-related brain injury. CogmedRM is both the most well-researched and widely-used CT program for remediation of WM deficits. Results from numerous randomized, controlled trials conducted with a variety of pediatric and adult patient populations generally show that CogmedRM training is associated with robust gains in performance-based WM scores over the short term, with some variability in improvement across disease groups. A single arm pilot study of CogmedRM in a sample of children with NF1 conducted at Children's National Medical Center has shown that the approach is likely feasible and acceptable to families.

Because many children with NF1 are treated with stimulant medications, and there is biological evidence that both CT and Methylphenidate act on dopaminergic systems, the investigators are also interested in examining whether or not there is a synergistic effect between these widely available and safe interventions. Thus, the aim is to assess the efficacy of a home-based, computerized cognitive training (CT) program in a sample of 90 children aged 8-16 with NF1 and working memory difficulties. This study will be conducted over the span of four years. If the participant qualifies following baseline testing, he/she will be randomized to the intervention, CogmedRM, or the active control condition, MobyMax (an online reading program). The participant will have 5-9 weeks to complete the program and will have follow-up testing 2 weeks after finishing the program. If CT, either singly or in combination with stimulant medication, can be shown to be efficacious in a sample of NF1 pediatric patients at high risk for neurocognitive deficits, this intervention plan could be rapidly translated to clinical practice.

02

Conditions studied

  • Neurofibromatosis Type 1
03

In context

Neurofibromatoses

186 studies on the registry are indexed under Neurofibromatoses; 24 are open to participants now.

This study's enrollment of 103 is above the median of 26 across 120 interventional studies indexed under Neurofibromatoses.

Browse Neurofibromatoses studies →

Lead sponsor

This is the only study on the registry with Kristina Hardy as lead sponsor.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
8 Years to 16 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  1. 8-16 years old at time of screening
  2. NF1 Diagnosis based on National Institute of Health (NIH) criteria
  3. Has an identified caregiver who is willing and able to oversee the training practice during the intervention period
  4. Has access to a telephone and phone number where they can be reached
  5. Both patient and caregiver have reading, speaking, and listening comprehension of English
  6. Treated with a stable dose of stimulant medication for at least the last 30 days and not planning to change the dose during study participation or receiving no stimulant medications for at least the last 30 days and not planning to initiate a trial of stimulant medications for the duration of the study.
  7. >1 Standard Deviation (SD) below the mean on the WISC-V-Integrated Spatial Span Backwards task or a Spatial Span Backwards score >1 SD below the participant's estimated IQ.

Exclusion criteria

Exclusion Criteria:

  1. Full scale IQ\<70, as estimated by WASI-II (Block Design, Vocabulary, Matrix Reasoning, Similarities).

    Note: In cases where there is a statistically significant difference between verbal IQ and performance IQ (.05 level as determined by the WASI-II manual), participants will be eligible if at least one of these quotients is 70 or above

  2. Current treatment for intracranial lesions, progressive tumors as per MRI evaluation or treatment with chemotherapy within the past 6 months
  3. A motor, visual, or auditory handicap that prevents computer use
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Single (Outcomes assessor)
Enrollment
103 participants (actual)

Study arms

  • Experimental
    Cogmed

    Cogmed RM is a computer program that consists of twelve visually-engaging and interesting exercises that target skills involving visuo-spatial and verbal Working Memory. During the intervention, children complete 25 training sessions. Children are asked to complete between 3 and 5 sessions per week, so the total treatment time to complete 25 sessions may range from 5 to 9 weeks. For children completing CogmedRM, sessions typically last between 25 and 45 minutes, depending on the child's working memory span.

    Other: CogmedRM

  • Active comparator
    MobyMax

    MobyMax's "Reading Stories" program is a program that focuses on reading comprehension skills. Participants will start their training with stories that are matched to their reading "grade" level. Each grade contains 30 lessons, with 3 stories in each lesson. Participants are given questions to answer at the conclusion of each story, and children advance or remain at that level depending on the progression of their reading skill. Participants randomized to this program will be asked to train 30-45 minutes per session for 25 training sessions over a 5 to 9 week period.

    Other: Mobymax

Interventions

  • OtherCogmedRM

    Cogmed RM is a computer program that consists of twelve visually-engaging and interesting exercises that target skills involving visuo-spatial and verbal Working Memory. Difficulty of the tasks is automatically adjusted on a trial-by-trial basis throughout each training session to match a child's current working memory span, such that as the child becomes more proficient, the exercises become more difficult. During the intervention, children complete 25 training sessions. Children are asked to complete between 3 and 5 sessions per week, so the total treatment time to complete 25 sessions may range from 5 to 9 weeks. For children completing CogmedRM, sessions typically last between 25 and 45 minutes, depending on the child's working memory span.

  • OtherMobymax

    MobyMax's "Reading Stories" program is a program that focuses on reading comprehension skills. Participants will start their training with stories that are matched to their reading "grade" level. Each grade contains 30 lessons, with 3 stories in each lesson. Participants are given questions to answer at the conclusion of each story, and children advance or remain at that level depending on the progression of their reading skill. Participants randomized to this program will be asked to train 30-45 minutes per session for 25 training sessions over a 5 to 9 week period.

06

What researchers measure

Primary outcomes

  1. Change in CogState One-back subtest

    Computerized task of working memory

    Time frame: From baseline to end of training, up to 11 weeks

Secondary outcomes

  1. Change in Attention Deficit Hyperactive Disorder- Rating Scale

    Parent-completed rating scale

    Time frame: From baseline to end of training, up to 11 weeks

  2. Change in Wechsler Intelligence Scale for Children-Fifth Edition-Integrated Spatial Span Backward

    Visual-spatial working memory task

    Time frame: From baseline to end of training, up to 11 weeks

  3. Change in Wechsler Intelligence Scale for Children-Fifth Edition-Integrated Digit Span Backward

    Auditory working memory task

    Time frame: From baseline to end of training, up to 11 weeks

  4. CogState One-card Learning

    Computerized attention and executive functioning tasks

    Time frame: From baseline to end of training, up to 11 weeks

  5. Change in Behavior Rating Inventory of Executive Functioning (BRIEF) Working Memory Index

    Parent-completed questionnaire

    Time frame: From baseline to end of training, up to 11 weeks

  6. Change in Test of Word Reading Efficiency-Second Edition (TOWRE-2) Scores

    Child-completed reading task

    Time frame: From baseline to end of training, up to 11 weeks

  7. Change in Test of Everyday Reading Comprehension (TERC) Scores

    Child-completed reading task

    Time frame: From baseline to end of training, up to 11 weeks

  8. Change in Behavior Rating Inventory of Executive Functioning (BRIEF) Metacognition Index

    Parent-completed questionnaire

    Time frame: From baseline to end of training, up to 11 weeks

  9. CogState Groton Maze Learning Task

    Computerized task of executive functioning

    Time frame: From baseline to end of training, up to 11 weeks

  10. Change in Wechsler Intelligence Scale for Children-Fifth Edition-Integrated Letter-Number Sequencing

    Auditory working memory task

    Time frame: From baseline to end of training, up to 11 weeks

07

Study locations

1 site
  • Children's National Health System
    Washington, District of Columbia 20010, United States
08

References and documents

Study documents

  • Protocol and statistical analysis plan · Jan 10, 2022
  • Informed consent form · Jan 21, 2021

Documents are hosted by the registry — open the source record to download them.

Individual participant data

Plan to share: No

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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Mar 3, 2022, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT02944032
Lead sponsor
Kristina Hardy
Collaborators
Children's National Health System, Royal Children's Hospital, Children's Hospital Los Angeles, Sydney Children's Hospitals Network
Responsible party
Kristina Hardy (PhD, Children's National Research Institute) — Sponsor-investigator
First posted
Oct 25, 2016
Start date
May 2016
Primary completion
Sep 27, 2021
Completion
Sep 27, 2021
Last update
Mar 3, 2022

Study contacts

Kristina Hardy, PhD
principal investigator · Children's National Health System

Oversight

Data monitoring committee
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is completed, as verified in Mar 2022. You cannot join it, but the record below documents what was studied.

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